Home / 45,851.17-68,772.14-12,574.58

Finding the Fourth Proportional to 45,851.17, 68,772.14 and 12,574.58

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Solution

The fourth proportional to 45,851.17, 68,772.14 and 12,574.58 is: 18,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,851.17 : 68,772.14 = 12,574.58 : x
  2. Step 2: Convert to fraction form
    45,851.17/68,772.14 = 12,574.58/x
  3. Step 3: Cross multiply
    45,851.17x = 68,772.14 × 12,574.58
  4. Step 4: Simplify right side
    45,851.17x = 864,780,635.71
  5. Step 5: Solve for x
    x = 864,780,635.71/45,851.17
  6. Step 6: Final answer
    x = 18,860.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.